3203143440066 has 24 divisors (see below), whose sum is σ = 6940216499580. Its totient is φ = 1067703344736.

The previous prime is 3203143440019. The next prime is 3203143440109. The reversal of 3203143440066 is 6600443413023.

3203143440066 is a `hidden beast` number, since 3 + 203 + 1 + 4 + 3 + 440 + 0 + 6 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2776772313225 + 426371126841 = 1666365^2 + 652971^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3203143440066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 948496 + ... + 2702948.

Almost surely, 2^{3203143440066} is an apocalyptic number.

3203143440066 is an abundant number, since it is smaller than the sum of its proper divisors (3737073059514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3203143440066 is a wasteful number, since it uses less digits than its factorization.

3203143440066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855890 (or 1855887 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 3203143440066 its reverse (6600443413023), we get a palindrome (9803586853089).

The spelling of 3203143440066 in words is "three trillion, two hundred three billion, one hundred forty-three million, four hundred forty thousand, sixty-six".